<html>
    <head>
        <meta charset="utf-8">
        <title>属性选择器</title>
        <script src="./js/jquery-3.6.0.min.js" type="text/javascript"></script>
    </head>
    <body>
        <div id="topDiv" title="top" desc="页面顶部"></div>
        <div id="menuDiv" title="menu">菜单栏</div>
        <div id="mainDiv">主题区</div>
        <div id="menuDiv" title="">左侧栏</div>
    </body>
</html>